abietum, Radiodiscus abietum Baker, 1930
academia, Hydrophrea academia Climo, 1970 - syn of: Lucilla singleyana (Pilsbry, 1889)
aldrichianus, Helicodiscus aldrichianus Clapp, 1907
amoenus, Radioconus amoenus (Thiele, 1927)
andium, Radiodiscus andium Pilsbry, 1944
apex, Helicodiscus apex (Adams, 1849)
aysensis, Lilloiconcha aysensis Miquel & Barker, 2009
bactricolus, Radiodiscus bactricolus (Guppy, 1868)
barri, Helicodiscus barri Hubricht, 1962
bequaerti, Radiodiscus bequaerti Florez, 1968
bisulcatus, Helicodiscus bisulcatus (D'Orbigny, 1842)
bolachaensis, Radiodiscus bolachaensis Fonseca & Thomé, 1995
bonamicus, Helicodiscus bonamicus Hubricht, 1978
cidarisca, Chanomphalus cidarisca (Von Martens, 1892)
clara, Zilchogyra clara (Thiele, 1927)
cleliae, Zilchogyra cleliae Weyrauch, 1965 - syn of: Radiodiscus pilsbryi Hylton-Scott, 1957
coarctata, Stenopylis coarctata (Möllendorff, 1894)
coarctatus, Radiodiscus coarctatus Hylton-Scott, 1979
compactus, Radiodiscus compactus (Suter, 1900)
coppingeri, Radiodiscus coppingeri (Smith, 1881)
costellifer, Radioconus costellifer Hylton-Scott, 1957
costulata, Lilloiconcha costulata Hausdorf, 2005
cuprinus, Radiodiscus cuprinus Fonseca & Thomé, 2000
deliciosa, Zilchogyra deliciosa (Thiele, 1927)
descendens, Zilchogyra descendens Weyrauch, 1965
diadema, Helicodiscus diadema Grimm, 1967
eigenmanni, Helicodiscus eigenmanni Pilsbry, 1900
enneodon, Helicodiscus enneodon Hubricht, 1967
fimbriatus, Helicodiscus fimbriatus Wetherby, 1881
florezi, Radiodiscus florezi Weyrauch, 1965
franzi, Zilchogyra franzi Weyrauch, 1965
giganteus, Radiodiscus giganteus Weyrauch, 1958
goeldii, Radioconus goeldii (Thiele, 1927)
golbachi, Radiodiscus golbachi Weyrauch, 1965
gordurasensis, Lilloiconcha gordurasensis (Thiele, 1927)
hadenoecus, Helicodiscus hadenoecus Hubricht, 1962
hemiclausa, Stenopylis hemiclausa Tate, 1894 - syn of: Stenopylis coarctata (Möllendorff, 1894)
hexodon, Helicodiscus hexodon Hubricht, 1966
hyltonscottae, Zilchogyra hyltonscottae Weyrauch, 1965
iheringi, Radiodiscus iheringi (Ancey, 1899)
kuscheli, Radiodiscus kuscheli Hylton-Scott, 1957
laevigata, Lilloiconcha laevigata Hausdorf, 2005
lateumbilicatus, Radiodiscus lateumbilicatus Weyrauch, 1966
leptotera, Trochogyra leptotera (Rochebrune & Mabille, 1882)
lineatus, Helicodiscus lineatus Say, 1823 - syn of: Helicodiscus parallelus (Say, 1817)
lirellus, Helicodiscus lirellus Hubricht, 1975
lopezi, Lilloiconcha lopezi Araya & Aliaga, 2015
magellanicus, Radiodiscus magellanicus (Smith, 1881)
microhelix, Radiodiscus microhelix Haas, 1951
millecostatus, Radiodiscus millecostatus Pilsbry & Ferriss, 1906
miocaenica, Lucilla miocaenica Harzhauser & al., 2015 † (FOSSIL)
miocenica, Zilchogyra miocenica Miquel & Rodriguez, 2016 † (FOSSIL)
misionensis, Radiodiscus misionensis Hylton-Scott, 1957 - syn of: Radiodiscus pilsbryi Hylton-Scott, 1957
multidens, Helicodiscus multidens Hubricht, 1962
notius, Helicodiscus notius Hubricht, 1962
nummus, Helicodiscus nummus Vanatta, 1899
parallelus, Helicodiscus parallelus (Say, 1817)
patagonicus, Radiodiscus patagonicus (Suter, 1900)
paulistana, Zilchogyra paulistana (Hylton-Scott, 1973)
peruvianus, Radiodiscus peruvianus Crawford, 1939
peterseni, Zilchogyra peterseni Weyrauch, 1965
pilsbryi, Chanomphalus pilsbryi (Baker, 1922)
pilsbryi, Radiodiscus pilsbryi Hylton-Scott, 1957
pleurophora, Zilchogyra pleurophora (Moricand, 1846) † (FOSSIL)
proameri, Radiodiscus proameri Baker, 1930
promatensis, Radiodiscus promatensis Miquel, Ramírez & Thomé, 2004
punctatellus, Helicodiscus punctatellus Morrison, 1942
ramsdeni, Helicodiscus ramsdeni Pilsbry, 1942
reticulatus, Retidiscus reticulatus Fonseca & Thomé, 1995
riochcoensis, Radioconus riochcoensis Crawford, 1939
riparbelli, Lucilla riparbelli Giusti, 1976 - syn of: Lucilla scintilla (Lowe, 1852)
riparbellii, Hebetodiscus riparbellii Giusti, 1976
roemeri, Hydrophrea roemeri (Andreae, 1902) † (FOSSIL)
salmonaceus, Helicodiscus salmonaceus Hemphill, 1890
saludensis, Helicodiscus saludensis Morrison, 1937
sanrafaelensis, Radiodiscus sanrafaelensis Turazzini & Miquel, 2014 † (FOSSIL)
scintilla, Lucilla scintilla (Lowe, 1852)
shimeki, Helicodiscus shimeki Hubricht, 1962
shimekii, Radiodiscus shimekii (Pilsbry, 1890)
singleyana, Lucilla singleyana (Pilsbry, 1889)
subteres, Lucilla subteres (Clessin, 1877) † (FOSSIL)
superba, Lilloiconcha superba (Thiele, 1927)
tatei, Chanomphalus tatei Pilsbry, 1903
theresa, Helicodiscus theresa Thiele, 1927
thomei, Radiodiscus thomei Weyrauch, 1965
tridens, Helicodiscus tridens Morrison, 1935
triodus, Helicodiscus triodus Hubricht, 1958
tucumana, Lilloiconcha tucumana Hylton-Scott, 1963 - syn of: Lilloiconcha superba (Thiele, 1927)
tucumanensis, Lilloiconcha tucumanensis Hylton-Scott, 1963 - syn of: Lilloiconcha superba (Thiele, 1927)
twomeyi, Zilchogyra twomeyi (Parodíz, 1954)
vazi, Radiodiscus vazi Fonseca & Thomé, 1995
villarricensis, Radiodiscus villarricensis Miguel & Barker, 2009
virginianus, Helicodiscus virginianus Burch, 1947 - syn of: Polygyriscus virginianus (Burch, 1947)
wygodzinskyi, Radiodiscus wygodzinskyi Weyrauch, 1965
zulmae, Zilchogyra zulmae Miquel, Ramírez & Thomé, 2004
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